Avoid unloading core plugins
Avoid unloading core plugins

This prevents core plugins from being unloaded as it would cause the
plugin test cases to fail (plugin not found).

Wouter0100/croogo,xintesa/croogo,delkyd/croogo,rakeshtembhurne/croogo,xintesa/croogo,cvo-technologies/croogo,Wouter0100/croogo,Wouter0100/croogo,cvo-technologies/croogo,damien-biasotto/croogo,rakeshtembhurne/croogo,xintesa/croogo,cvo-technologies/croogo,delkyd/croogo,damien-biasotto/croogo,rchavik/croogo,rakeshtembhurne/croogo,rchavik/croogo,delkyd/croogo